1002255003 has 6 divisors (see below), whose sum is σ = 1447701684. Its totient is φ = 668169996.

The previous prime is 1002254987. The next prime is 1002255011. The reversal of 1002255003 is 3005522001.

It is a happy number.

It is not a de Polignac number, because 1002255003 - 2⁴ = 1002254987 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1002255703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 55680825 + ... + 55680842.

It is an arithmetic number, because the mean of its divisors is an integer number (241283614).

Almost surely, 2^1002255003 is an apocalyptic number.

1002255003 is a deficient number, since it is larger than the sum of its proper divisors (445446681).

1002255003 is a wasteful number, since it uses less digits than its factorization.

1002255003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111361673 (or 111361670 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 18.

The square root of 1002255003 is about 31658.4112519880. The cubic root of 1002255003 is about 1000.7511033691.

Adding to 1002255003 its reverse (3005522001), we get a palindrome (4007777004).

It can be divided in two parts, 10022 and 55003, that added together give a square (65025 = 255²).

The spelling of 1002255003 in words is "one billion, two million, two hundred fifty-five thousand, three".